In which I raise a problem for metaphysical realism and suggest a return to a Goodmanian view that the world is a structureless mess onto which we project our own categorizations, not something with categories already built in.

In which I discuss cases where ignorance is inexpressible (e.g. ignorance of absolute position, quiddities, and haecceities) and argue that the ignorance consists in an inability to identify things by way of their natures.

In which I survey a number of arguments for each view (including the bucket argument, Leibniz shift arguments, and symmetry arguments) and conclude that the case for relationalism is better than is often acknowledged. Here is the teaching and learning guide.